if (window.location.href.indexOf('#') > -1) {
    window.location.href = window.location.href.split('#')[0];
}

function see(e) {
    if ($("#username").val().length > 3) {
        $(".prompting").hide();
    } else {
        $(".prompting").show();
    }
    if (e == "no") {
        $('#left-hander').removeClass('initial_left_hand').addClass('left_hand');
        $('#right-hander').removeClass('initial_right_hand').addClass('right_hand')
    } else {
        $('#left-hander').addClass('initial_left_hand').removeClass('left_hand');
        $('#right-hander').addClass('initial_right_hand').removeClass('right_hand');
    }
}

// 点击换一张验证码
function changemyImg() {
    var imgSrc = $("#imgObj");
    var src = imgSrc.attr("src");
    imgSrc.attr("src", chgmyUrl(src));
    $("#info").html("");
}
// 时间戳
// 为了使每次生成图片不一致，即不让浏览器读缓存，所以需要加上时间戳
function chgmyUrl(myurl) {
    var timestamp = (new Date()).valueOf();
    myurl = myurl.substring(0, 10);
    if ((myurl.indexOf("&") >= 0)) {
        myurl = myurl + "×tamp=" + timestamp;
    } else {
        myurl = myurl + "?timestamp=" + timestamp;
    }
    return myurl;
}